extends RefCounted

static func read_json(path: String) -> Variant:
	var file := FileAccess.open(path, FileAccess.READ)
	if file == null or file.get_length() > 1048576:
		return null
	var parser := JSON.new()
	if parser.parse(file.get_as_text()) != OK:
		return null
	return parser.data

static func write_json(path: String, document: Dictionary) -> Error:
	var absolute := ProjectSettings.globalize_path(path)
	var error := DirAccess.make_dir_recursive_absolute(absolute.get_base_dir())
	if error != OK:
		return error
	var temporary := absolute + ".tmp"
	var file := FileAccess.open(temporary, FileAccess.WRITE)
	if file == null:
		return FileAccess.get_open_error()
	file.store_string(JSON.stringify(document, "\t") + "\n")
	file.flush()
	error = file.get_error()
	file.close()
	if error != OK:
		return error
	return DirAccess.rename_absolute(temporary, absolute)

static func integer_array(value: Variant, length: int) -> bool:
	if not value is Array or value.size() != length:
		return false
	for number in value:
		if not (number is int or number is float) or not is_finite(float(number)) or float(number) != floorf(float(number)):
			return false
	return true